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Re: v6 deagg


From: William Herrin <bill () herrin us>
Date: Sat, 21 Feb 2015 14:06:37 -0500

On Thu, Feb 19, 2015 at 10:07 PM, Randy Bush <randy () psg com> wrote:
but then we considered that v6 allocations seem to be /32s, and the
longest propagating route seems to be /48, leaving 16 bits with which
the deaggregators can play.  while in v4 it was /24s out of a /19 or
/20, four or five bits.

this does not bode well.

Howdy,

I took a look at what it might take to keep TE-based disaggregation
under control back in 2009. This is what I came up with:

http://lists.arin.net/pipermail/arin-ppml/2009-June/014351.html

Needless to say, the sparse allocation expandable netmask strategy
we're using instead doesn't have many levers we can grab for control.

Regards,
Bill Herrin




-- 
William Herrin ................ herrin () dirtside com  bill () herrin us
Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>


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